16376840

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{1021}}^1$

素因数の和:1433

約数の個数: 32

約数和(自身を含む): 36975960

約数和(自身を除く): 20599120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 802, 1021, 1604, 2005, 2042, 3208, 4010, 4084, 5105, 8020, 8168, 10210, 16040, 20420, 40840, 409421, 818842, 1637684, 2047105, 3275368, 4094210, 8188420, 16376840]

約数ペア:

[(1, 16376840), (2, 8188420), (4, 4094210), (5, 3275368), (8, 2047105), (10, 1637684), (20, 818842), (40, 409421), (401, 40840), (802, 20420), (1021, 16040), (1604, 10210), (2005, 8168), (2042, 8020), (3208, 5105), (4010, 4084)]